<style lang="less" scope>
    @import "./login.less";
</style>
<template>
    <div class="login">
        <el-form :model="ruleForm" status-icon :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
            <el-form-item label="密码" prop="pass">
                <el-input type="password" v-model="ruleForm.pass" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="确认密码" prop="checkPass">
                <el-input type="password" v-model="ruleForm.checkPass" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="年龄" prop="age">
                <el-input v-model.number="ruleForm.age"></el-input>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
                <el-button @click="resetForm('ruleForm')">重置</el-button>
            </el-form-item>
        </el-form>    
    </div>
</template>
<script>
    export default {
        name: 'login',
        data() {
            var checkAge = (rule, value, callback) => {
                if (!value) {
                return callback(new Error('年龄不能为空'));
                }
                setTimeout(() => {
                if (!Number.isInteger(value)) {
                    callback(new Error('请输入数字值'));
                } else {
                    if (value < 18) {
                    callback(new Error('必须年满18岁'));
                    } else {
                    callback();
                    }
                    }
                }, 1000);
            };
            var validatePass = (rule, value, callback) => {
                if (value === '') {
                callback(new Error('请输入密码'));
                } else {
                if (this.ruleForm.checkPass !== '') {
                    this.$refs.ruleForm.validateField('checkPass');
                }
                callback();
                }
            };
            var validatePass2 = (rule, value, callback) => {
                if (value === '') {
                callback(new Error('请再次输入密码'));
                } else if (value !== this.ruleForm.pass) {
                callback(new Error('两次输入密码不一致!'));
                } else {
                callback();
                }
            };
            return {
                ruleForm: {
                    pass: '',
                    checkPass: '',
                    age: ''
                },
                rules: {
                    pass: [
                        { validator: validatePass, trigger: 'blur' }
                    ],
                    checkPass: [
                        { validator: validatePass2, trigger: 'blur' }
                    ],
                    age: [
                        { validator: checkAge, trigger: 'blur' }
                    ]
                }
            };
        },
        created() { },
        mounted() { 
            
        },
        methods: {
            submitForm(formName) {
                this.$refs[formName].validate((valid) => {
                    if (valid) {
                        alert('submit!');
                    } else {
                        console.log('error submit!!');
                        return false;
                    }
                });
            },
            resetForm(formName) {
                this.$refs[formName].resetFields();
            }        
        },
       
    };
</script>

